Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Kb3 win in 3 half-moves
2 Kb4 win in 3 half-moves
3 Kc4 win in 3 half-moves
4 Kd4 win in 3 half-moves
5 Ke4 win in 3 half-moves
6 Ke5 win in 3 half-moves
7 Kf2 win in 3 half-moves
8 Kf5 win in 3 half-moves
9 Kg2 win in 3 half-moves
10 Kg5 win in 3 half-moves
11 Kgf3 win in 3 half-moves
12 Kgg4 win in 3 half-moves
13 Kh2 win in 3 half-moves
14 Kh3 win in 3 half-moves
15 Kh4 win in 3 half-moves
16 Kb2 win in 7 half-moves
17 Kc2 win in 7 half-moves
18 Kd2 win in 7 half-moves
19 Kd3 win in 7 half-moves
20 Ke3 win in 7 half-moves
21 Kff3 win in 7 half-moves
22 Kfg4 win in 7 half-moves